Respuesta :
Frequency (f) in Hz = Wave speed (c) in m/s/Wavelength in m
Wave speed = 60 m/s, Wavelength = 1.2 m
Therefore,
f= 60/1.2 = 50 Hz
Wave speed = 60 m/s, Wavelength = 1.2 m
Therefore,
f= 60/1.2 = 50 Hz